The Okidata Oki C6000n laser toner cartridges from LD Products are 100% brand new compatible laser cartridges that are Guaranteed to meet or exceed the print quality of the OEM Okidata C6000n laser toner cartridges. Purchasing our Okidata C6000n cartridges is an excellent way to save money without sacrificing quality. Our Okidata C6000n laser toner cartridges have a 'Lifetime Guarantee'. The use of our compatible laser toner cartridges for the Okidata C6000n does not void your printer's warranty.